1. The new staff must pass through the training and study of the grounding line, and after the examination is qualified, they can independently engage in the operation or use of the grounding wire.

2. According to different voltage levels, select the corresponding grounding wire.

3. It is strictly forbidden to use other metal wires instead of grounding wires.

4. On-site work should not be linked to the ground wire or unauthorized change of grounding lines.

5. The grounding wire has two sides. It has the function of safety. If it is used improperly, it will also produce destructive effect. Therefore, the grounding wire should be removed in time. The switch with grounding wire will damage the electrical equipment and destroy the stability of the power grid, which will lead to serious malignant electrical accidents.